2INSTALL 1999.9.15 12:45 PM 페이지24

NX-SERIESHYBRID KEY SYSTEM

INSTALLATION SECTION

5. CONNECTING TELEPHONE LINES

5.1 SAFETY PRECAUTIONS

To limit the risk of personal injury, always follow these precautions before connecting to TELCO circuits:

Never install telephone wiring during a lightning storm.

Never install telephone jacks in a wet location unless the jack is specifically designed for wet locations.

Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface.

Use caution when installing or modifying telephone lines.

5.2LOOP START LINES

Using one pair twisted #24 AWG or #26 AWG jumper wire, cross-connect each loop start C.O. line to the trunk port.

Refer to FIGURE 4-1 through 4-7 and 4-8.

6.CONNECTING STATION EQUIPMENT

Using one pair twisted #24 AWG or #26 AWG jumper wire, cross-connect each keyset/AOM or single-line telephone to the keyset port or SLI port of your choice.

6.1 CONNECTING KEYSET / AOM (FIGURE 6-1)

The NX-308 system has seven hybrid ports and the NX-1232 system has eight hybrid ports.Either a keyset or a single-line telephone may be connected to a hybrid port. Before connecting station equipment to a hybrid port, the switches on the Base Board must be set to keyset or SLT.

Each switch is composed of four sections, set to ON/ON/OFF/OFF to connect a keyset to the hybrid port.

ON

❶ ❷ ❸ ❹

OFF

Each numbered switch has four sections: ❶ ❷ ❸ ❹ .

To connect a keyset to a hybrid port, they are set to ON/ ON/ OFF/ OFF.

6.1.1 NX-308 - Related Switch Location (FIGURE 6-3)

To connect a keyset or AOM to station #2 to #8 of basic KSU, the related DIP switches should be set as follows: (Station #1 is a keyset-only station.)

2 - 20

Page 32
Image 32
Samsung NX-308 Connecting Telephone Lines, Connecting Station Equipment, Safety Precautions, Loop Start Lines